A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 6650-00-334-5901
NSN 6130-00-988-8709
NSN 6220-00-561-7589
NSN 6135-00-050-7189
NSN 6110-01-286-9109
NSN 6620-01-296-0873
NSN 5998-00-178-1040
NSN 5960-01-582-6167
NSN 5960-01-342-9965
NSN 5915-01-319-6806
NSN 6220-00-059-7607
NSN 5920-01-235-9522